CVE-2020-13555 — HIGH (8.8)

Vulnerability Description

An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In COM Server Application Privilege Escalation, an attacker can either replace binary or loaded modules to execute code with NT SYSTEM privilege.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Advantech	Webaccess\/Scada	9.0.1

Related Weaknesses (CWE)

CWE-276

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1169ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2020-13555?

CVE-2020-13555 is a vulnerability with a CVSS score of 8.8 (HIGH). An exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In COM Server Application Privilege Escalation, an attacke...

How severe is CVE-2020-13555?

CVE-2020-13555 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13555?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Scada.